| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for azo pigment capable of producing easily dispersible azo pigment fine particles with high efficiency (degree of purity and productivity) and at low cost. <P>SOLUTION: The azo pigment represented by formula (1) below is produced by subjecting an amorphous azo compound represented by formula (1), a salt, hydrate or solvate thereof to crystal transformation. <P>COPYRIGHT: (C)2013,JPO&INPIT |
